<!doctype html>
<html ng-app>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="js/lib/underscore/underscore-min.js"></script>
    <script src="js/lib/jquery/dist/jquery.min.js"></script>
    <script src="js/lib/angular/angular.min.js"></script>
</head>
<body>
    name: <input type="text" ng-model="name">

    <hr>

    Hello {{name || 'wbc'}}
</body>
</html>